230453563 has 2 divisors, whose sum is σ = 230453564. Its totient is φ = 230453562.

The previous prime is 230453519. The next prime is 230453621. The reversal of 230453563 is 365354032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230453563 is a prime.

It is not a weakly prime, because it can be changed into another prime (230453263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115226781 + 115226782.

It is an arithmetic number, because the mean of its divisors is an integer number (115226782).

Almost surely, 2^230453563 is an apocalyptic number.

230453563 is a deficient number, since it is larger than the sum of its proper divisors (1).

230453563 is an equidigital number, since it uses as much as digits as its factorization.

230453563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 230453563 is about 15180.6970525072. The cubic root of 230453563 is about 613.0950489840.

The spelling of 230453563 in words is "two hundred thirty million, four hundred fifty-three thousand, five hundred sixty-three".